Sharpie Oil-Based Paint Marker, Medium Point, Single, White (35558) (4-Pack) Long-lasting opaque paint marker specially formulated with valve-action. Dries in minutes. Resists fading and smearing, and is AP-certified non-toxic and xylene-free. Works on virtually any surface- metal, pottery, wood, rubber, glass, plastic, stone and more. Resistant to water, fading, and abrasion.